Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK6DK callsign genealogy
Currently held by KLEMPNER, DMITRIY K
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by KK6DK's current licensee, walking backwards.
- KLEMPNER, DMITRIY KCAgranted 2022-12-06cancelled 2026-06-13
Successor callsigns
Callsigns held now by people who previously held KK6DK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KK6DK, oldest first.
- BERTIC III, SAMUEL L CA2009-12-11 → cancelled 2021-12-21
- KLEMPNER, DMITRIY K CA2026-06-13 active